Customer complaint analysis
Record details of the problem (failure, complaint) and how it occurred as described by the customer. For this purpose, use of such an inspection form such as following will facilitate collecting information to the point required for proper analysis and diagnosis.
| Note this form is a standard sample. The form should be modified according to conditions and characteristic of each market. |
Example: customer problem inspection form


Visual inspection
Prior to diagnosis using the mode select switch or sds, perform the following visual inspections. The reason for visual inspection is that mechanical failures (such as oil leakage) cannot be displayed on the screen with the use of mode select switch or sds.
Fail-safe function table
Malfunction code and defective condition tableRadiator cap inspection
Inspect the radiator cap in the following procedures:
remove the radiator cap. Refer to “cooling circuit inspection” .
Attach the radiator cap (1) to the radiator tester (2)
as shown.
Slowly apply pressure to the radiator cap.
If the radiator cap does not hold the pre ...
Cushion rod inspection
Refer to “cushion rod removal and installation” .
Collar and spacer
Remove the collar and spacer from the cushion rod.
Inspect the collar and spacer for any flaws or other
damage. If any defects are found, replace it with a
new one.
Cushion rod bearing
Insert the collar a ...
Break-in procedures
During manufacture only the best possible materials are
used and all machined parts are finished to a very high
standard but it is still necessary to allow the moving parts
to “break-in” before subjecting the engine to maximum
stresses. The future performance and reliability of the
engine depen ...